page_title: Australian Government
section_title: Legislature
hierarchical_section_title: Australian Government / Legislature
caption_attribution_description: Australian Senate, Parliament of Australia, Canberra, Australia
context_page_description: The Australian Government is the federal government of Australia, a parliamentary constitutional monarchy, and is the first level of government division. It is also referred to as the Federal Government and the Commonwealth Government. Like many other Westminster-style systems of government, the Australian Government is made up of three branches: the executive, the legislative, and the judicial.
  The legislative branch, the federal Parliament, is made up of two chambers: the House of Representatives and the Senate. The House of Representatives has 151 members, each representing an individual electoral district of about 165,000 people. The Senate has 76 members: twelve from each of the six states and two each from Australia's internal territories, the Australian Capital Territory and Northern Territory. The Australian monarch, currently Queen Elizabeth II, is represented by the governor-general. The Australian Government in its executive capacity is formed by the party or coalition with a majority in the House of Representatives, with the prime minister being the parliamentary leader who has the support of a majority of members in the House of Representatives.
context_section_description: The Legislature makes the laws, and supervises the activities of the other two arms with a view to changing the laws when appropriate. The Australian Parliament is bicameral, consisting of the Queen of Australia, a 76-member Senate and a 151-member House of Representatives.
  Twelve Senators from each state are elected for six-year terms, using proportional representation and the single transferable vote (known in Australia as "quota-preferential voting": see Australian electoral system), with half elected every three years. In addition to the state Senators, two senators are elected by voters from the Northern Territory (which for this purpose includes the Indian Ocean Territories, Christmas Island and the Cocos (Keeling) Islands), while another two senators are elected by the voters of the Australian Capital Territory (which for this purpose includes the Jervis Bay Territory). Senators from the territories are also elected using preferential voting, but their term of office is not fixed;  it starts on the day of a general election for the House of Representatives and ends on the day before the next such election.
  The members of the House of Representatives are elected by majority-preferential voting using the non-proportional Instant-runoff voting system from single-member constituencies allocated among the states and territories.  In ordinary legislation, the two chambers have co-ordinate powers, but all proposals for appropriating revenue or imposing taxes must be introduced in the House of Representatives. Under the prevailing Westminster system, the leader of the political party or coalition of parties that holds the support of a majority of the members in the House of Representatives is invited to form a government and is named Prime Minister.
  The Prime Minister and the Cabinet are responsible to the Parliament, of which they must, in most circumstances, be members. General elections are held at least once every three years. The Prime Minister has a discretion to advise the Governor-General to call an election for the House of Representatives at any time, but Senate elections can only be held within certain periods prescribed in the Constitution. The most recent general election was on 18 May 2019.
  The Commonwealth Parliament and all the state and territory legislatures operate within the conventions of the Westminster system, with a recognised Leader of the Opposition, usually the leader of the largest party outside the government, and a Shadow Cabinet of Opposition members who "shadow" each member of the Ministry, asking questions on matters within the Minister's portfolio. Although the Government, by virtue of commanding a majority of members in the lower house of the legislature, can usually pass its legislation and control the workings of the house, the Opposition can considerably delay the passage of legislation and obstruct government business if it chooses.
  The day-to-day business of the House of Representatives is usually negotiated between the Leader of the House, appointed by the Prime Minister, and the Manager of Opposition Business in the House, appointed by the Leader of the Opposition in the Commonwealth parliament, currently Anthony Albanese.
caption: The Australian Senate chamber
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